MATLAB: Turn 0 to 0.000

0 to 0.000formattingformatting specified number formatMATLAB

Well this is a formatting issue, how can I force any number to have a specified format? Example:

I have 1.23, I need 1.230

I have 0, I need 0.000

I have 0.1011, I need 0.101

I have 5.1019, I need 5.102

I have 20.002, I need 20.002 (stays the same)

I seem to have tried a few methods I found on-line, however still have not found one that works exactly this way. I would never exceed 99.999 or -99.999. Thanks, Chris

Best Answer

Use sprintf():

sprintf('%.3f', 0) % to command window.
outputString = sprintf('%.3f', 5.1019) % Sticks it in a string.

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MATLAB: How to create a 3D plot by using the surf

You could get better resolution if you had more points in your var_disp and ave_disp vectors. I suppose you could interpolate, but that’s not really going to be too much help. Either way, I’m not sure this is what you wanted, but here’s what I did:

    Disp_=linspace(-2,2,10);
    var_disp=[0.0021 0.0023 0.0025 0.0026 0.0029 0.0030 0.0031 0.0032 0.0035 0.0037]; % Variance vector
    ave_disp=[0.01 0.02 0.03 0.03 0.05 0.06 0.04 0.05 0.07 0.09]; % mean vector
    timeVector_=linspace(0,2,10); % time vector.    PDF=nan(length(Disp_),length(timeVector_));
    for ii=1:10
    PDF(:,ii)=1/(sqrt(2*pi*var_disp(ii)))*exp(-1/2*(Disp_-ave_disp(ii)).^2/(var_disp(ii)));
    end
    surf(Disp_,timeVector_,PDF)

MATLAB: How to print 1×50 array into a text file

Maybe:

[fid, msg] = fopen(FileName, 'w');
assert(fid ~= -1, 'Cannot open file for writing: %s\n%s\n', FileName, msg);
fmt = [repmat('%10.3f', 1, 8), '\n'];
fprintf(fid, fmt, A.');
fclose(fid);

Best Answer

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MATLAB: How to create a 3D plot by using the surf

MATLAB: How to print 1×50 array into a text file

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